diff options
Diffstat (limited to 'src/test/ui/traits/issue-18400.rs')
-rw-r--r-- | src/test/ui/traits/issue-18400.rs | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/src/test/ui/traits/issue-18400.rs b/src/test/ui/traits/issue-18400.rs new file mode 100644 index 000000000..fdd11512d --- /dev/null +++ b/src/test/ui/traits/issue-18400.rs @@ -0,0 +1,26 @@ +trait Set<T> { + fn contains(&self, _: T) -> bool; + fn set(&mut self, _: T); +} + +impl<'a, T, S> Set<&'a [T]> for S where + T: Copy, + S: Set<T>, +{ + fn contains(&self, bits: &[T]) -> bool { + bits.iter().all(|&bit| self.contains(bit)) + } + + fn set(&mut self, bits: &[T]) { + for &bit in bits { + self.set(bit) + } + } +} + +fn main() { + let bits: &[_] = &[0, 1]; + + 0.contains(bits); + //~^ ERROR overflow +} |